org.apache.flink.util

Class StringValueUtils.WhitespaceTokenizer

java.lang.Object

org.apache.flink.util.StringValueUtils.WhitespaceTokenizer

All Implemented Interfaces:

Serializable

Enclosing class:

StringValueUtils

public static final class StringValueUtils.WhitespaceTokenizer
extends Object
implements Serializable

A tokenizer for string values that uses whitespace characters as token delimiters. The tokenizer is designed to have a resettable state and operate on mutable objects, sparing object allocation and garbage collection overhead.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WhitespaceTokenizer() Creates a new tokenizer with an undefined internal state.

Method Summary

Modifier and Type	Method and Description
boolean	next(StringValue target) Gets the next token from the string.
void	setStringToTokenize(StringValue string) Sets the string to be tokenized and resets the state of the tokenizer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WhitespaceTokenizer

public WhitespaceTokenizer()

Creates a new tokenizer with an undefined internal state.

Method Detail

setStringToTokenize

public void setStringToTokenize(StringValue string)

Sets the string to be tokenized and resets the state of the tokenizer.

Parameters:

string - The string value to be tokenized.

next

public boolean next(StringValue target)

Gets the next token from the string. If another token is available, the token is stored in the given target StringValue object.

Parameters:

target - The StringValue object to store the next token in.

Returns:

True, if there was another token, false if not.